I'm pretty sure the answer is the first one. The fact that it doesn't have a full valence shell means that electrons from other atoms can react and bond with the sodium atom.
Hope this helps x
The energy possessed by chemicals is known as chemical energy.
Answer:
Here's what I get
Explanation:
A physical property is one you can observe without changing the chemical composition of a substance.
A chemical property is one you can observe only by changing the chemical composition of a substance.
In this problem, examples of physical properties are:
- Colour
- Lustre
- Melting point
- Boiling point
- Density
- Malleability
- Ductility
- Conduction of electricity
Examples of chemical properties are:
- Burning in air
- Reaction with chlorine
